Trioplan Modified for HELIOS 44M-4 Soviet lens + Adapter for Sony E Nex Vintage. The lens produces bokeh similar to Trioplan with a fully open aperture and maximum defocusing of the background with the obligatory backlight. Example: the distance to the subject (portrait) is 1.5 m, the distance to the background (flowers) is 3.5 m. The background (flowers) is illuminated by lanterns. As a result, there is a portrait in the center of the frame, and bokeh in the form of soap bubbles at the edges of the frame. Minor digital processing is required to enhance sharpness. The lens is designed to work on SLR cameras with a flange length of at least 55mm, and on mirrorless cameras with an extension adapter that increases the flange distance to 55mm. Aperture ratio: Frome 2 is 16. Focus rank: Frome 0.5m 20m - infinity. How to use with modern cameras?
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